Dec 18 03:47:22.558 INFO checking ashishnegi/learndb against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:47:22.558 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/ashishnegi/learndb:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:47:22.972 INFO [stdout] a94902429f7cd1792488e251105519a06e4dfa8c225a836553d65cba38297e59
Dec 18 03:47:22.974 INFO running `"docker" "start" "-a" "a94902429f7cd1792488e251105519a06e4dfa8c225a836553d65cba38297e59"`
Dec 18 03:47:25.368 INFO [stderr]     Checking learndb v0.1.0 (/opt/crater/workdir)
Dec 18 03:47:25.732 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 03:47:25.732 INFO [stderr]  --> src/main.rs:1:1
Dec 18 03:47:25.732 INFO [stderr]   |
Dec 18 03:47:25.732 INFO [stderr] 1 | #[macro_use]
Dec 18 03:47:25.732 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 03:47:25.732 INFO [stderr]   |
Dec 18 03:47:25.732 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 03:47:25.732 INFO [stderr] 
Dec 18 03:47:26.236 INFO [stderr] warning: method is never used: `delete_db`
Dec 18 03:47:26.237 INFO [stderr]   --> src/sqliters/table.rs:21:5
Dec 18 03:47:26.237 INFO [stderr]    |
Dec 18 03:47:26.237 INFO [stderr] 21 |     pub fn delete_db(&mut self) -> Result<(), String> {
Dec 18 03:47:26.237 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:47:26.237 INFO [stderr]    |
Dec 18 03:47:26.238 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:47:26.238 INFO [stderr] 
Dec 18 03:47:26.238 INFO [stderr] warning: method is never used: `delete_db_file`
Dec 18 03:47:26.239 INFO [stderr]   --> src/sqliters/pager.rs:80:5
Dec 18 03:47:26.239 INFO [stderr]    |
Dec 18 03:47:26.239 INFO [stderr] 80 |     pub fn delete_db_file(&mut self) -> Result<(), String> {
Dec 18 03:47:26.239 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:47:26.240 INFO [stderr] 
Dec 18 03:47:26.240 INFO [stderr] warning: function is never used: `is_root_node`
Dec 18 03:47:26.240 INFO [stderr]    --> src/sqliters/page.rs:397:1
Dec 18 03:47:26.241 INFO [stderr]     |
Dec 18 03:47:26.241 INFO [stderr] 397 | fn is_root_node(page: &Vec<u8>) -> bool {
Dec 18 03:47:26.241 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:47:26.241 INFO [stderr] 
Dec 18 03:47:26.525 INFO [stderr] warning: function is never used: `is_root_node`
Dec 18 03:47:26.525 INFO [stderr]    --> src/sqliters/page.rs:397:1
Dec 18 03:47:26.525 INFO [stderr]     |
Dec 18 03:47:26.525 INFO [stderr] 397 | fn is_root_node(page: &Vec<u8>) -> bool {
Dec 18 03:47:26.525 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:47:26.525 INFO [stderr]     |
Dec 18 03:47:26.525 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 03:47:26.525 INFO [stderr] 
Dec 18 03:47:26.588 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 18 03:47:27.758 INFO running `"docker" "inspect" "a94902429f7cd1792488e251105519a06e4dfa8c225a836553d65cba38297e59"`
Dec 18 03:47:28.136 INFO running `"docker" "rm" "-f" "a94902429f7cd1792488e251105519a06e4dfa8c225a836553d65cba38297e59"`
Dec 18 03:47:28.400 INFO [stdout] a94902429f7cd1792488e251105519a06e4dfa8c225a836553d65cba38297e59